帮助文档

导出命令行帮助文档。

.\edit -h > edit-help.txt

Usage: edit [OPTIONS] [FILE[:LINE[:COLUMN]]]
Options:
    -h, --help       Print this help message
    -v, --version    Print the version number

Arguments:
    FILE[:LINE[:COLUMN]]    The file to open, optionally with line and column (e.g., foo.txt:123:45)